@article{PapenbrockTophinke2018,
  author    = {Martin Papenbrock and Doris Tophinke},
  title     = {Graffiti digital. Das Informationssystem Graffiti in Deutschland (INGRID)},
  journal   = {Zeithistorische Forschungen - Studies in Contemporary History},
  volume    = {15},
  number    = {1},
  pages     = {159 -- 172},
  doi       = {10.14765/zzf.dok.4.1136},
  url       = {https://www.zeithistorische-forschungen.de/1-2018/id=5571},
  year      = {2018},
}